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Supplemental Financial Information (Cash And Cash Equivalents) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Supplemental Financial Information [Abstract]    
Cash pledged with a bank as collateral for letters of credit $ 0.4 $ 0.2
Cash Collateral For Hedging Transactions 0.8 1.3
Deposits with banks as collateral for leased facilities $ 1